Newer cricut user here, so I’m far from an expert but I’ve found https://freesvg.org to have the best free selection of all the sites I’ve tried so far. Source: over 1 year ago

Contextually, what you're doing is fine. You're making personal-use invites for a kid's birthday party so I think it's admirable you're hoping for some casual free resources for use. Generally speaking, you're going to likely be looking for each source on a case-by-case basis because there isn't a single go-to large repository of commercial-quality, diverse free libraries of content. Some get close but they won't... Source: over 1 year ago

Freesvg.org and Vecteezy for illustrations/clip art. The cover of Project BRKN-Shackle uses two versions of the same “spy” graphic, and I then modified it/shifted the colors. I did even less work on Playdate Peril’s cover, just combining a couple illustrations. Source: almost 2 years ago

Not CorelDraw, but I think you can use this site for free SVG's. https://freesvg.org/. Source: almost 2 years ago

What you need is svg files, you can edit them using inkscape, which is free: https://inkscape.org/ There are lots of free public domain svgs here: https://freesvg.org/. Source: about 2 years ago

Shameless plug: My side project for searching for logos includes Lipis flags as well as some other sources. Search index is on the file name, so it only really works well for distinct country codes: https://logosear.ch/search.html?q=bz But the exact match pages will work: https://logosear.ch/logos/pl/index.html. - Source: Hacker News / over 2 years ago

I built a niche search site [0] mainly to "scratch my own itch". It now works well enough for my own needs, but gets almost no traffic. I'm not really going to put any effort into SEO, and it is never going to get noticed/ranked without. There are a whole list of improvements I'd like to make, but what is my motivation if no one will ever notice? [0] https://logosear.ch/search.html. - Source: Hacker News / over 2 years ago

LogoSear.ch - Search engine with over 200,000 SVG logos indexed. - Source: dev.to / almost 3 years ago

LogoSear.ch Search engine with over 200,000 SVG logos indexed License: AGPL 3.0, Free for commercial or personal use. - Source: dev.to / almost 3 years ago